Vintage Pewter Signed JJ jonette Teacher brooch

The item shown is a vintage brooch, specifically a JJ Jonette pewter pin designed with a math teacher theme. It features a chalkboard with mathematical formulas and dangling charms representing school supplies. Design: It is shaped like a chalkboard displaying common math equations and includes dangling charms shaped like a calculator, ruler, math book, pencil, and apple. Material: The brooch is made of pewter. Maker's Mark: It is signed "JJ," indicating it was made by the Jonette Jewelry Company. Theme: The design is intended to represent a math teacher or someone in the field of mathematics. Closure: It has a C-style clasp lock. Era: It is estimated to be from the period of 1980-2006. Purpose: Brooches were historically used to fasten clothing but are now largely decorative.